<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>

  <body>
    <!-- form结构 -->
    <form action="http://ajax-api.itheima.net/api/data" method="post">
      <input type="text" name="username" placeholder="请输入用户名" /><br />
      <input type="password" name="password" placeholder="请输入密码" /><br />
      <button type="submit">登录</button>
    </form>

    <script src="./js/axios.js"></script>

    <script>
      // 获取元素
      const form = document.querySelector('form')

      // 给form表单绑定提交事件
      form.addEventListener('submit', function (e) {
        // 阻止表单的默认提交行为
        e.preventDefault()
        // 获取元素，并且收集用户数据，清除前后空白
        const username = document.querySelector('input[name=username]').value.trim()
        const password = document.querySelector('input[name=password]').value.trim()

        // 发起请求
        axios
          .post('http://ajax-api.itheima.net/api/data', {
            data: {
              username,
              password,
            },
          })
          // 响应数据
          .then(({ data: res }) => console.log(res))
      })
    </script>
  </body>
</html>
